Display screen with a graphical user interface



The FIGURE is a front view of a display screen with a graphical user interface, showing our new design.

The outermost solid line in the figure is the display screen.

The broken line showings of the control unit and various features of the graphical user interface are included for the purpose of illustrating environmental structure and portions of the article. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 